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Unverified Commit 13ec913b authored by Roman Lebedev's avatar Roman Lebedev
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[InstCombine] Recognize `((x * y) s/ x) !=/== y` as an signed multiplication... 

[InstCombine] Recognize `((x * y) s/ x) !=/== y` as an signed multiplication overflow check (PR48769)

We already had support for it's unsigned variant, so simply extend it
to also handle the signed variant.

Fixes https://bugs.llvm.org/show_bug.cgi?id=48769
parent 632eb20a
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